https://musicbrainz.org/label/c80d3a32-73d9-4c2a-b591-115edd0fa65b/edits says "Found 500 edits"
Clicking on "Refine this search" goes to https://musicbrainz.org/search/edits?conditions.0.operator=%3D&conditions.0.field=label&conditions.0.name=Jamendo&conditions.0.args.0=433&order=desc&conditions.0.user_id=53705&combinator=and&auto_edit_filter=&negation=0 and says "Found at least 500 edits"
https://beta.musicbrainz.org/label/c80d3a32-73d9-4c2a-b591-115edd0fa65b/edits?page=26 says "Found 1,279 edits" so the latter is correct.

https://musicbrainz.org/search/edits?auto_edit_filter=&order=desc&negation=0&combinator=and&conditions.0.field=id&conditions.0.operator=%3E&conditions.0.args.0=20000000&conditions.0.args.1=&conditions.1.field=id&conditions.1.operator=%3C&conditions.1.args.0=20000101&conditions.1.args.1=&field=Please+choose+a+condition says "Found at least 100 edits"
https://musicbrainz.org/search/edits?auto_edit_filter=&order=desc&negation=0&combinator=and&conditions.0.field=id&conditions.0.operator=%3E&conditions.0.args.0=20000000&conditions.0.args.1=&conditions.1.field=id&conditions.1.operator=%3C&conditions.1.args.0=20000102&conditions.1.args.1=&field=Please+choose+a+condition says "Found 101 edits"
There are fewer than 500 more results, so it knows it found exactly 100. Even the last page of results says "Found at least 100 edits".